.Heavy drinking used to be acceptable, but as drunken driving has caused so many tragedies public opinion is no longer________.

He spoke about the country as if he had been there, but ________ he had never.

It was ________ Benazir Bhutto, former Pakistan prime minister, was leaving the rally(集会) that the suicide bomb happened, ________ the world felt sorry.

The Beatles,  ________  many of you are old enough to remember, came from  Liverpool.

I could ____ he was surprised from the expression on his face．